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Entrainment (hydrodynamics), the movement of one fluid by another; Entrainment (meteorology), a phenomenon of the atmosphere; Entrainment (physical geography), the process by which surface sediment is incorporated into a fluid flow; Entrainment (physics), the process whereby two interacting oscillating systems assume the same period
In engineering, entrainment is the entrapment of one substance by another substance. [1] For example: The entrapment of liquid droplets or solid particulates in a flowing gas , as with smoke .
Air entrainment in concrete is the intentional creation of tiny air bubbles in a batch by adding an air entraining agent during mixing. A form of surfactant (a surface-active substance that in the instance reduces the surface tension between water and solids) it allows bubbles of a desired size to form.
Entrainment is a phenomenon in the atmosphere that occurs when a turbulent flow captures a non-turbulent flow. It is typically used to refer to the capture of a wind flow with high moisture content or in the case of tropical cyclones , the capture of drier air.
Brainwave entrainment is a colloquialism for 'neural entrainment', [25] which is a term used to denote the way in which the aggregate frequency of oscillations produced by the synchronous electrical activity in ensembles of cortical neurons can adjust to synchronize with the periodic vibration of external stimuli, such as a sustained acoustic ...
Entrainment in the biomusicological sense refers to the synchronization (e.g., foot tapping) of organisms to an external perceived rhythm such as human music and dance. Humans are the only species for which all individuals experience entrainment, although there are documented examples of entrained nonhuman individuals.
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Entrainment is the transport of fluid across an interface between two bodies of fluid by a shear-induced turbulent flux. [1] Entrainment is important in turbulent jets, plumes , and gravity currents , and is an ongoing topic of research.